本文介绍了盐浴法稀土碳共渗新工艺,对稀土原子的渗入进行了理论探讨。同时,着重阐述了稀土对碳原子扩散的促进作用,并应用x射线衍射、电子探针及穆斯堡尔谱等现代测试手段,研究了渗入的稀土对渗层组织和性能的影响。 This paper introduces a new salt-bath rare earth carbonization process, the infiltration of rare earth atoms were theoretically discussed. At the same time, the promotion effect of rare earth on diffusion of carbon atoms is emphatically expounded, and modern testing methods such as x-ray diffraction, electron probe and Mossbauer spectroscopy are used to study the influence of rare earth infiltration on microstructure and properties of the infiltrated layer.